CN104903888A - Method and system for recommending multimedia contents through a multimedia platform - Google Patents
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Abstract
The present invention relates to a method for recommending multimedia contents through a multimedia platform (101), wherein the multimedia platform (101) comprises a plurality of multimedia contents observable through at least one user interface (10). comprising the following steps: the multimedia platform (101) receives at least one first command (204) from the user interlace (10) to select at least one first multimedia content (1) with which at least one first piece of semantic information is associated: the multimedia platform (10!) receives from the user interlace (10) a user identifier, a second command to select at least one second multimedia content (2) with which at least one second piece of semantic information is associated, and further receives at least one piece of information (11) relating to an association between the second multimedia content (2) and the first multimedia content (1) being observed, concerning a semantic aggregation: the multimedia platform (101) processes (12) al least one first state representative of the user identifier, of the first multimedia content (1) and the second multimedia content (2), and of the association (11), through a comparison between the second piece of semantic information and the first piece of semantic information; the multimedia platform recommends at least one second state representative of at least one third multimedia content (3), based on the first processed state (12) and on a comparison with at least, one further state of a plurality of states relating to the plurality of multimedia contents. The present invention also relates to an associated system for recommending multimedia contents.
Description
Technical field
The present invention relates to the method and system for recommending content of multimedia.
Background technology
Now, addressable content of multimedia is flood tide and constantly increases.Constantly produce, file and share between numerous user very a large amount of information (on image, video, document, social networks comment ...).Under this background, the mode that user obtains the information of concern seems very important.
In order to retrieve general concern content, user can send the searching request of text formatting, and this searching request is called as inquiry.Subsequently, information search and the searching system analysis content of inquiring and by it compared with suitable " index " of available content.Usual content-based analysis is predetermined and build this index.As everyone knows, relevant to content of multimedia self information is called as " metadata " in the literature.
System is then by using different mode and tolerance to return the most satisfied content by inquiring the user's request expressed.
The importance of metadata in this content search and retrieving is obvious.Metadata is more and more representative, then content recognition and retrieving more effective.
In order to be conducive to this multimedia content search and retrieving, use " commending system ", its function is can the demand of anticipate user and the content of multimedia of expectation with better precision identification.
From describing the file US2007/0208718A1 comprising and provide the media server of the commending system of the program designation of customization to user, know an example of content of multimedia commending system.
Usually, the commending system of two kinds of following conclusion can substantially be identified.
Collaborative filtering commending system produces based on the previous selection undertaken by " similar user " and recommends.In fact, user is divided into the type limited by one group of preference.Therefore, the supposition based on these partner systems is, the behavior of one group of user can be utilized to infer the behavior belonging to the unique user of this group.
File US 6438579B1 describes cooperation commending system, wherein, according to group Action logic, based on the corresponding relation between the resource content evaluation provided by user self and the evaluation of other content provided by other user, proposes content of multimedia to user.
Content-based filtering commending system produces recommendation by the characteristic of the preference (clear and definite or implicit express) with the content that he/her has used that compare user and the metadata relevant to the content that will recommend or characteristic.When user provides his/her to evaluate wittingly, clearly obtain the preference of user; Also by automatically recording and monitoring that important information is extracted in the action of user.The general characteristic being extracted the content that user uses by audio-visual content analytical algorithm.
From the US2011/0125585A1 describing the commending system proposing the potential concern content of user based on the previous behavior of the user received from user platform, know an example of content-based recommendation system.
But scheme known in the field of content of multimedia commending system does not prove to be entirely satisfactory.
In fact, the user wishing to enjoy content of multimedia with the mode of complete individual and information search and searching system interactive, and can more in depth explore some contents instead of other content based on the culture and the decision of background demand being difficult to the his/her own identified in advance.
Usually, can there is synon word expression inquiry in inaccurate mode or by use in user, this may cause better result.In addition, general and importance or similarity conceptual dependency the predetermined content index that commending system uses must mean that the univocality of inquiry is explained.These aspects as a result, commending system can return to user the result not completing and meet his/her demand.
User has to carry out interaction consuming time with commending system thus; But after completing search, system usually " forgets " this interaction, makes, even if for user self, be also difficult to later reconstructing interaction dynamically.
Summary of the invention
An object of the present invention is, the method and system of some overcome in the shortcoming of prior art is provided.
Especially, the present invention is directed to provide can by utilize about the information of the interaction between user and system performance and store the content of multimedia recommend method of concern content of multimedia and the system of more effectively retrieval user.
Another object of the present invention is, provides and allows to use to utilize the content of multimedia recommend method and the system that had previously been completed the relevance that may propose in experience by user at it.
By add the feature set forth in the appended claims for recommending the method for content of multimedia and relevant system to realize these and other objects of the present invention, these claims are intact parts of this instructions.
The present invention is based on the general thoughts being provided for the method for recommending content of multimedia, wherein, receive order to reproduce at least one first content of multimedia together with relevant Article 1 semantic information by suitable user interface from user; By suitable user interface, user sends with the selection of at least one the second content of multimedia that at least one the second semantic informations are correlated with together with the relevant information of the relevance between the second content of multimedia observed and the first content of multimedia, and described information is gathered relevant with semanteme; System is by processing at least one first state of representative of consumer identity, the first content of multimedia and the second content of multimedia and relevance comparing between Article 2 semantic information with Article 1 semantic information; Based on the first treatment state and based on and the comparison of at least one other state of multiple states relevant with described multiple content of multimedia, recommend at least one second state representing at least one the 3rd content of multimedia.
The invention still further relates to a kind of for recommending the system of content of multimedia, this system comprises the first memory, the processor that store content of multimedia and each Article 1 semantic information and is suitable for reproducing at least one user interface of at least one the first content of multimedia.System is also comprised at least one second content of multimedia, at least one the second semantic informations and the user interface that are suitable for storing and are selected by user interface and is further adapted for store and to be received by described user interface and to gather at least one second memory of at least one relevant information of relevance between the second content of multimedia that is relevant and that observing and the first content of multimedia with semanteme.In order at least more described Article 2 semantic information and described Article 1 semantic information and at least one first information state of detailed description, processor is suitable for process and user, the first content of multimedia and the second content of multimedia and the information-related information about relevance.Second memory is suitable for storing first information state, and, processor is further adapted for based on the information relevant with content of multimedia with first information state with the comparison process of at least one other state of multiple states relevant with described multiple content of multimedia, describes with detailed at least one second information state that at least one the 3rd content of multimedia in the first memory of user is recommended in representative.
By this way, system permission user expresses the semantic relation between two or more content of multimedia, and is not only time relationship.Therefore, user can associate any content of multimedia or " artefact (artefact) " and resource, thus gives its accurate and clear and definite semanteme meaning.Then, in order to provide more effective recommendation, use the described meaning inferred by commending system and explain.
Therefore, the scheme proposed here allows the shortcoming overcoming prior art, and reason is, first, it provides new, the more complete content of multimedia way of recommendation based on interaction analysis and intension and user personality.
The program provides obvious advantage, and more effectively performs the function of commending system.
As a result, system can for improving specific user, the object of the more generally experience of user corporations utilizes the bulk information produced by interaction.
Here the method and system proposed allows to associate given group of other content of multimedia (audio frequency, video, text or their set) and the content of observing produced by user and the content by gathering the content creating complexity of observing and produce.
Meanwhile, user can associate with each multimedia content information of the interaction between system with sign and substantial user.
The basic advantage that the present invention is better than prior art is, user can provide information far more than current exchange information to system, re-establishes the balance between system and user thus.Can infer, this balance can improve the performance of infosystem in higher customer information requirement adaptability, and this expresses by the interaction function of the advanced person proposed here completely.
In fact, more effectively utilize the performance of the available increase in the multimedia content flows reproduced by system, reduce thus index content and user ask between the uncertainty of relevance.
In the scheme here proposed, information search and retrieval process follow the association process implemented by the user enjoying content of multimedia in a more effective manner.
Advantageously, the present invention of proposition allows to fill up the gap existed between user's query and the actual demand to the information wherein comprised now.
Meanwhile, the shade possible in a large number when the present invention of proposition allows to fill up the content that interpreting user observes and commending system retain the gap between the general ability of this information in permanent and available mode.
Accompanying drawing explanation
From the following detailed description supplied by non-limitative example and accompanying drawing, other object of the present invention and advantage will become more obvious, wherein,
Fig. 1 illustrates the method for recommending content of multimedia.
Fig. 2 illustrates the system for recommending content of multimedia.
Fig. 3 illustrates the general recommendation about the content of multimedia of user;
Fig. 4 illustrates the general recommendation about multiple content of multimedia of user;
Fig. 5 represents the example of the recommendation of content of multimedia;
Fig. 6 represents the second example of the recommendation of content of multimedia.
In the accompanying drawings, similar key element, action or device are represented by identical Reference numeral in various figures.
Embodiment
Fig. 1 illustrates the method for recommending content of multimedia.
User 10 enjoys content of multimedia on the multimedia platform of multimedia platform such as allowing accessing video, image, audio frequency, text and/or other content of multimedia.
This multimedia platform is generally by using such as computing machine, " connecting TV/IPTV " televisor, smart phone, personal digital assistant, purl machine etc. to pass through representative and the illustration of now available a large amount of multimedia platform of access to the Internet.
User 10 can be interactive with retrieving multimedia contents with multimedia platform: in a step 101, according to the present invention, user 10 is interactive with multimedia platform, starts the process causing commending contents thus.The described interaction carried out in a step 101 can be several types, and wherein, user 10 is in order to meet his/her demand to deepen his/her the knowledge search content of multimedia in particular topic; Such as, user 10 can browse the predetermined list of the content of multimedia loaded recently; Or carry out based on keyword content search or browse the list of content recommendation.
User 10 is interactive with multimedia platform by the suitable user interface (can be regarded as being contained in same Reference numeral 10) that will describe in more detail later.Further, multimedia platform is by user identifier identification user 10, and this user identifier can be regarded as such as corresponding by the identity of known username and password system and user self in the present invention.
In a step 102, user wishes to observe the content of multimedia 1 on multimedia platform; Thus, user 10 is given an order by suitable user interface, to make multimedia platform reproduce described content of multimedia 1, no matter is video, audio frequency or image etc.In this article, the action " observation " implemented by user 10 should not be understood to be limited to the actual viewing of user 10 (such as, even can not pay close attention to the video play, thus make it is mute in background); In fact, it means the presenting or reproducing relevant possible scheme subsequently comprised with the select command that user 10 sends and the content 1 of being undertaken by multimedia platform.
In step 103, user 10 loads another content of multimedia 2 by its user interface on platform, thus makes it associate with the content of multimedia 1 just observed in a step 102.Such as, user 10 can load the video 2 in the storer of the terminal residing at himself, or even loads from the 3rd device of such as connected camera.Must be pointed out, the content of multimedia 2 that user 10 loads can take user 10 producible several form when interactive with multimedia platform: this content of multimedia can be audiovisual materials, label, text annotation, audio frequency etc.By this way, between different " states ", the interaction of the user 10 of movement can be modeled, wherein, from a kind of " state " to the migration of another kind of state not exclusively by realization or the special appearance of observation of content of multimedia, and also by loading the content of multimedia added.
In the scope of this instructions, the implication of term " state " with according to the definition of mathematical physics and systemtheoretical state, there is certain relevance.
In such framework, the concept representative of " dynamic system " describes the system of temporal evolution by general mathematical model.The feature of this mathematical model is the suitable law that current " state " was engaged with future and/or past state.Therefore, content of multimedia system is actually the dynamic system that can suppose either large or small multiple states.
In this manual, select the class value " state " of dynamic system being defined as the characteristic of its system, these values define its situation at any time.
The definition of model allows from the information relevant with original state, know system evolution in time, that is, its state subsequently.As mentioned above, the domination by this dynamic system can be regarded as by the realization of the content of multimedia of user.
When content of multimedia commending system, " state " is that customer multi-media realizes residing particular condition.The evolution known or predict this dynamic system even better causes the commending system that can more effectively meet consumers' demand.
Therefore, specific one group of variable of the realization characterizing content of multimedia must be defined; The quantity of variable is higher, then the granularity describing realization is larger.But the quantity of information of consideration is more, be then more difficult to the evolution of management system.The specific variable that can use in an exemplary embodiment of the present invention is below described.
Therefore, a kind of possible substituting conception of the term " state " defined in this manual is " information state ".
In loading action in step 103, user 10 impliedly or clearly expresses the relevance 11 between the content of observing in a step 102 and the content loaded in step 103; The substantial connection between the first content of multimedia 1 and the second content of multimedia 2 that user 10 observing is expressed in described association 11, and this will become more obvious below.
By provide a description the information of content self text data between semanteme compare and express described association 11, these information are such as such as annotation, comment, title, summary etc.
Described association 11 also can be logical associations, such as, such as, share, positive example, counter-example, contrast, suggestion, benchmark, source, contribution, implication, derivative, inquiry.The association (inquiry) of this last type by user in order to the content of searching for other uses the classical case modelling of content of text (a series of keyword) or content of multimedia (benchmark image).
Described association 11 also can be the association based on time or logic cause and effect, such as, such as, last/next, previous, follow-up.
Described association 11 also can be structural or the association of composition or aggregative association, such as, such as, and a part, set.Such association primitive allows to form the set that identifiable design is the multimedia object of " compound " multimedia object.
Certainly, can suppose, as obvious vague generalization, except the predetermined association that can obtain on multimedia platform, user 10 definable specifically associates 11.
At step 104, many abstracted informations that multimedia platform extrapolation is relevant with the state occurred in step 102 and 103, particularly comprise comprising of following aspect:
The identifier of-user 10;
-the identifier of the first content of multimedia 1 observed;
-Article 1 the semantic information of the first content of multimedia 1 of observing;
-the identifier of the second content of multimedia 2 that loaded by user 10;
-Article 2 the semantic information of the second content of multimedia 2 of observing;
-the identifier of association 11 that just carried out about the representative of semanteme set.
Store the above-mentioned information relevant with the interaction of user 10 to provide together with the possibility of content of multimedia and automatically grasp and allow the knowledge deepening to derive from this complex data.Further, the storage of particular form can allow to share information between multiple multimedia platform, improves the multimedia experiences of user 10 thus.
In step 105, the information that multimedia platform process is extrapolated at step 104, to reconstruct at least one other state another content of multimedia 3 recommended to user 10 being identified as potential concern.
In order to particularly recommend content of multimedia based on the comparing of at least one other state of multiple states relevant with content of multimedia according to the parameter set in interactive model, the recommendation carried out in step 105 utilizes " Data Mining " engine, should " Data Mining " engine utilize store at step 104 with information that is suitable and preferred standard grammatical representation.
Preferably, based on the particular association 11 set by user 10 when loading content 2, specific recommendation mechanisms is set up by system.
By this way, not simply provided in " path " that built by the interaction of user by time series: user selects him/her to think close to namely relevant those multimedia resources " joint " together from semantic viewpoint.In addition, user can also by expressing described joint by accurate semantic qualification owing to it.
In this, make the explicit semantic meaning between two or more states (that is, relationship type) available, system can give user the recommendation needed closer to it.
Such as, if user is by " opposition " concept related second content of multimedia 2 and first content of multimedia 1, so system can utilize this clear and definite knowledge to deviate from the first content of multimedia 1 most with which kind of characteristic grasping the second content of multimedia 2, and infers that other content any with this characteristic also can be classified as " opposition " thus.
Similarly, if " there is " concept related second content of multimedia 2 and the first content of multimedia 1 by logic cause and effect in user thereupon, so system can utilize the intrinsic transitivity of this conception of species to set up causal network between content, and this allows by arriving from content of multimedia 2 and recommending the content that can arrive in such networks to user 10.
Finally, if user is by synthesis " set " concept related second content of multimedia 2 and first content of multimedia 1, impliedly create the group objects of logic phase cross-correlation limited based on user thus, so system is common and then recommend other object being more similar to content of multimedia 2 and 1 to utilize this situation based on this characteristic by which characteristic of analyzing set content of multimedia 2 and 1.
From all these, occurred so a kind of scheme, that is, the prior art of suggested design (such as, specific cooperation recommend method) that limits of the program and preference priori is different, and it is close that system can realize adaptive recommendation.
Illustrative method is enriched and is improved the participation of user in content of multimedia recommendation process above.
In wider framework, by the composition operator between use content of multimedia to produce " newly " aggregates content, user can also gather content of multimedia by using the content of multimedia observed and the content of multimedia produced by it form " newly ".Meanwhile, user think these content of multimedia have they with the particular association that has in the interaction of the content of multimedia observed, no matter be implicit or clear and definite.This mechanism sets up the infinite loop of compound recurrence potentially between content of multimedia, this represent the progress compared with the commending system of prior art.
In a preferred embodiment, multimedia platform will participate in the process modelling of the interaction of the user of the realization of content of multimedia, thus represents it by the formal language based on RDF (the Resource Description Framework) standard being called OWL (Web Ontology Language).OWL language is the semantic marker language that World Wide Web is open and share.
By using OWL language, the interactive process formalization that can be described with reference to Fig. 1 by the relation between class, class and the individuality belonging to class.Realize the automated reasoning method of reasoning and deductive procedure by application, logically derive from the analysis of ontology semanteme these relations clearly do not presented.
Below list the ontology class in the preferred embodiment using OWL language.
User: participate in the people one or more device realizing content of multimedia.User is the Primary Actor of multimedia experiences.
Event: the abstraction of general real event.
State: the particular event identified by a group " variable " or " coordinate " of the interactive atom of univocality identification one group and their roles in the given state of multimedia experiences.
Use case: when user determines actual use observable thing (such as, when user read text, observe video ... time) particular event that occurs.
Multimedia experiences: complicated one group of event (state and use case), representative of consumer realizes the content of multimedia of some within the given time interval.
Multimedia object: can by the data of any type of device process in order to produce content of multimedia, such as, video, audio frequency, text formatting.The description of multimedia object can comprise its low-level characteristics " color histogram " of video (such as).Multimedia object can play the role of observable thing or pseudomorphism in the process of the state of multimedia experiences.Multimedia object comprises the object with Types Below:
-text (Text);
-image (Image);
-video (Video);
-audio frequency and video (AudioVisual);
-audio frequency (Audio).
Interactive atom: the abstraction of observable thing and pseudomorphism.
Observable thing: user can determine the specific multimedia object used in specific state in its multimedia experiences process.Observable thing is user's visible any multimedia object (image such as, in graphical interfaces) in particular state.
Pseudomorphism: the specific multimedia object being added to observable thing when being in particular state by user.Pseudomorphism is any multimedia object (such as, label, annotation, sound) that user initiatively produces or selects in the particular state of its multimedia experiences.
Role: the class metadata showing the function of interactive atom (such as, observable thing and pseudomorphism) when being in particular state.Such as, if user adds the intention of annotating images (observable thing) to textual portions (pseudomorphism), the role of so this text will be " annotation ".
In RDF language, by " triple body (triplet) " i.e. Subject-Verb-Object, general statement or information (that is, any simple concept) are described.Relation/performance that " Verb " representative " main body " engages with " object ".For expressing the grammer needs of described statement:
-scope (or co-domain), that is, represent the class of " object "
-territory, that is, can apply relation (" Verb ") and represent the class of " main body "
Below list the relation between the ontology class in the preferred embodiment using OWL language.
·characterizesArtefact:
Territory: ' Multimedia Object ', scope: ' Artefact '.This performance is expressed multimedia object in certain state and is had the fact of pseudomorphism role.
·characterizesMExp
Territory: ' State ', scope: ' Multimedia Experience '.This performance makes multimedia experiences engage with its formation state.
·characterizesObservable
Territory: ' Multimedia Object ', scope: ' Observable '.This performance is expressed multimedia object in certain state and is had the fact of observable object angle look.
·composedBy
Territory: ' Interaction Atom ', scope: ' Interaction Atom '.This performance considers the composition (such as, space or time relationship) between two interactive atoms.
·describesState
Territory: ' Observable ', scope: ' State '.This Properties Correlation observable thing and each state.
·followsState
Territory: ' State ', scope: ' State '.This performance is by the time series models of state.It is transiting performance.
·hasArtefact
Territory: ' State ', scope: ' Artefact '.This performance makes state engage with each formation pseudomorphism.
·hasMultimediaExperience
Territory: ' User ', scope: ' Multimedia Experience '.This Properties Correlation user and multimedia experiences.
·hasObservable
Territory: ' State ', scope: ' Observable '.This performance makes state engage with each formation observable thing.
·hasRole
Territory: ' Interaction Atom ', scope: ' Role '.This performance is association role and interactive atom (observable thing or pseudomorphism) when being in particular state.
·hasUsageEvent
Territory: ' Observable ', scope: ' UsageEvent '.This performance records the actual use of observable thing when being in particular state.
·hasUser
Territory: ' MultimediaExperience ', scope: ' User '.This Properties Correlation multimedia experiences and each user.
·partOf
Territory: ' Interaction Atom ', scope: ' Interaction Atom '.This performance is the reverse side of ' composedBy ', and allows the interactive atom of formation to engage with the reverse between each entity.
·perturbsState
Territory: ' Artefact ', scope: ' State '.Relation between this performance expression status and pseudomorphism.
·precedesState
Territory: ' State ', scope: ' State '.This performance is the reverse side of ' followsState '.
·isSemanticallyRelatedTo
Territory: ' State ', scope: ' State '.This performance is by the semantic relation modelling between state.
The ontology proposed allows will to participate in user's " modelling " of multimedia experiences by mapping multimedia object.When user by observed content and load other content and multimedia platform interactive time, he/her causes the change of the information state explained by multimedia platform.User enriches certain content of multimedia by associating itself and other content of multimedia, revises the information state of platform thus.Usually, model can catch the behavior of user, the interaction of itself and any content of multimedia and object role in interaction completely.
Fig. 2 illustrates the embodiment for the multimedia platform or system recommending content of multimedia.
The first memory 201 of multiple content of multimedia of such as video, audio frequency, image, text etc. is stored for recommending the system of content of multimedia to comprise.System also comprises the storer 202 and processor 203 that operate with first memory 201 and be connected.Usually, storer 202 can be at random volatile memory or nonvolatile memory, and storer 201 is preferably permanent storage.Processor 203 is suitable for access storer 202 and performs an action to the data be stored therein.
System also comprises at least one user interface 204 making user 10 (see Fig. 1) can access multimedia platform.By user interface 204, user can reproduce and observe at least one first content of multimedia.By user interface 204, another content of multimedia also can be loaded in storer 202 by user.By user interface 204, user go back available signal represent just loaded be expressed as associating of numerical information between the second content of multimedia and the first content of multimedia observed.
Processor 203 be suitable for by with user (10, with reference to Fig. 1), the first content of multimedia (1 of observing, see Fig. 1), the second content of multimedia (2 of loading, see Fig. 1), be semantic set about the semantic information of the first and second content of multimedia and the relevant information processing of the association between them (11, Fig. 1).
In order to describe in detail and calculate the 3rd content of multimedia (3 representing and will recommend in the first memory 201 of user, at least one second information state Fig. 1), first processor 203 can thus by calculating at least one first information state of being stored in storer 202 and being selected other the content of multimedia (3, see Fig. 1) of the potential concern of user by the information that process is relevant with the multiple content of multimedia be stored in the storer 201 of platform with first information state.
This process was occurred by the comparing of other multiple possible state relevant with multiple content of multimedia of platform according to proximity rules.
The content of multimedia to user that Fig. 3 representative is obtained by the transition between previously described information state is recommended.
As summarized above, the information search that user implements and retrieval process comprise the evolution from " state " to the system of another " state ".In the realization of content of multimedia, " state " is represented by the one group of characteristic associated with user 10 and associate with the content of multimedia that user 10 can use in given space time with logic background.
Occur after the action that user-association content of multimedia associates with another the available content of multimedia platform from a kind of state to the transition of another state.
In state 301, user observes the content of multimedia 30 on multimedia platform.As described above, user determine by regulation in the accompanying drawings by content 30 with 31 composition mutual illustrative related information associate content of multimedia 30 and another content of multimedia 31, get the hang of in 301 thus.In state 303, based on the information about state 302, multimedia platform recommends another content of multimedia 32 to user.
Each action of user has thus and changes with user's observable and the content of multimedia provided and the effect of interrelated relevant information state with them.
The recommendation of the multiple content of multimedia to user that Fig. 4 representative is obtained by the transition between previously described information state.
On functional level, when user expresses interactive primitive, there is the transition from a kind of state to another state.The quality and quantity of this interactive primitive depends on composition potentiality available on the role of restriction and platform.
In state 401, user observes content of multimedia 40, and by this content of multimedia 40, he/her associates another content 41 by composition, gets the hang of in 402 thus.From state 402, multimedia platform recommends the multiple content of multimedia corresponding with multiple sneak condition 403a, 403b, 403c.Then recommend method can be iterated repetition, thus arrive very complicated Set Status and allow effectively, fully to utilize make user can information.The interaction of user can be assumed to be the number of times that iteration is unlimited.When being switched to NextState from a kind of state, the information associated with content of multimedia is mutually nested, produces complicated and informative structure thus.The possible iteration of recommend method is emphasized from the fact that different states 401,402,403 associates by each label k-1, k, k+1, k be more than or equal to 1 integer.
Also it is conceivable that the recommendation of certain content of multimedia depend on any amount (being even greater than 1) of original state and the information can inferred from these original states simultaneous embodiment when the recommendation providing other content of multimedia.This embodiment can catch abundanter and more complicated scheme to meet the hope of user best.
In certain embodiments, one group of interactive primitive that such as can be defined by OWL language performance is as follows:
Add (<artefact (1); Role (1) >) primitive adds pseudomorphism and specific role thereof.
Add (<observable (k); Role (k) >) primitive adds observable thing and specific role thereof.
Find-similar (observable (1)) primitive finds the object with observable thing (1) " similar ".
The possibility of complex information permanent storage about the interaction between user and this system in the storer of such as commending system is allowed by known content of multimedia index and searching system can based on data mining, machine learning and knowledge discovery technology directly utilizes this information in large quantities.This emphasizes the possibility arranging additional recommended technology here based on the information model proposed further, and this can utilize later a large amount of information completely.
Some examples of the function of the several embodiments represented for recommending the method for content of multimedia are below described.
With reference to Fig. 5, user can loading multimedia content, thus is associated and be defined as annotation.User starts its multimedia experiences by observing celestial body 501: user is in the state " 1 " characterized by observable thing (1), and here, i represents the integer being more than or equal to 0.Subsequently, user is by searching for and finding the celestial body 502 similar with initial celestial body i.e. observable thing (2) interactive with multimedia platform.This action causes state transition: from " i " to " i+1 ".Finally, user determines collection two celestial bodies and by the set of two observable things in complex contents { observable (1), observable (2) } 503.For this object, user adds annotation " these two celestial bodies are similar "; This action limited by specific interactive primitive causes the migration from state " i+1 " to state " i+2 ".By considering text message " similar " and the image of two celestial bodies 501 and 502, multimedia platform such as can to recommend other image 504 of similar celestial body to user by depending on image search engine.
With reference to Fig. 6, user can loading multimedia content, thus is associated and be defined as comment.User starts its multimedia experiences by observing video 601: its idol Bruffon 2015 February 5 to the match of Lemme in " error " of violating.This is the state " i " characterized by observable thing (1).Owing to feeling sorry for the error of goalkeeper, therefore he determines to leave comment by recording its sound: comprising the track that user sends statement " Bruffon you still the most excellent " is pseudomorphism 602.User determines this sound clip 602 to be added to comment, thus it is associated with initial video.This action causes the state transition from " i " to " i+1 ".Multimedia platform is furnished with the transcription of sound engine of the text that reconstructing user is said, and, by being considered as relevant with video presentation by sound " Bruffon ", in state " i+2 ", other video 603 of Bruffon can be recommended to user.
Below provide other example, these examples specifically do not associate with any specific accompanying drawing, and by being fully understood with reference to Fig. 3 and Fig. 4 described.
User can loading multimedia content, thus is associated and be defined as source.
The article about the fact occurred in TV programme " w1 " on user's reading of Internet.In this case, user is also in the state " i " characterized by observable thing (1) technically.
Then, user determines to search for the TV programme causing the content of " w1 " of just having watched on the internet.User search is also found " tv1 "; State " i " becomes " i+1 " by this action.Finally, user determines to collect two contents (web and TV) by association " source " role and observable thing " tv1 ".State " i+1 " becomes " i+2 " by this association limited from specific interactive primitive.
User can loading multimedia content, thus is associated to be defined as and derive from and annotation.
User starts its multimedia experiences by the audio clips listening to the comprise song particularly famous percussion music of the seventies: technically, user is in the state " i " characterized by observable thing (1).Subsequently, user is by searching for and finding the nearest music video relevant with the New style front cover observable thing (2) of initial song and system mutual.This action causes the state transition from " i " to " i+1 ".Role is defined as " derivation " from initial audio editing by user.Finally, user determines to collect audio clips and video by annotating this collection (complicated observable thing) with annotation " video of this song is front cover ".State " i+1 " becomes " i+2 " by this action specified from specific interactive primitive.Then multimedia platform returns other New style front cover of the song of the original band creation of the seventies.User can loading multimedia content, thus is associated and be defined as inquiry.
Its multimedia experiences is started: user is in the state " i " characterized by observable thing (1) by reading box news article.This article comprises written text and photo.The last scandal of famous American performer told by text, and photo shows his scene in popular movies.From photo and observable thing (2), user identifies scene, but can not remember the title of the film extracting it.Then user selects photo, state is become " i+1 " from " i " thus, and makes to use it as " inquiry ", thus its name with this famous American performer is associated.Then multimedia platform returns the trailer of the film extracting this scene.
User can loading multimedia content, thus is associated and be defined as ancestors and follow-up.
The interesting photo that user attempts by the granddaughter observing him first birthday candle blowing out her starts its multimedia experiences.User is in the state " i " characterized by observable thing (1).User understands, and in identical file folder, there is video and the observable thing (2) of his granddaughter taken at the earlier month of this photo.For the latter, user determines to add ancestors role to picture pseudo-" observable thing 2 ", produces " observable thing 3 " thus: this state becomes " i+1 " from " i " thus.This action causes grandfather (that is, user) to remember poem for its granddaughter in utero writes.This poem i.e. " observable thing 3 " has been stored on desktop.Before turning off computing machine, grandfather determines associated video and photo (as puppet), thus they is interpreted as follow-up by described poem.By facial recognition software, multimedia platform associates other content of multimedia of this poem and such as photo and video, thus characterizes granddaughter.
User can loading multimedia content, thus is associated and be defined as implication and suggestion.
User Miss Rossi only likes observing the cooking substance on TV.And its husband Mr. Rossi mainly watches the TV programme relevant with sports content.
Miss Rossi starts its multimedia experiences when it is in separately by opening its interactive TV and being transferred to the CHANNELX (state " i ") broadcasted about the program (observable thing (1)) of Calabria typical case cuisines product.In this, woman's orientation system of determining transmits so a kind of true, that is, as viewing TV separately, only like the program processing the item similar with the current item broadcasted.By the blue color keys on pressing (such as) telepilot, woman starts specific action: the video camera be integrated in televisor is taken pictures, thus the face etc. of record Miss Rossi.
Present supposition, by using the photo taken by user, system also identifies its identity thus by known technology identification face.
Photo (pseudomorphism) is endowed implication role.State becomes " i+1 " from " i ".
In evening, Mr. Rossi comes off duty.Its wife prepares supper in kitchen.Before being sitting in desktop side, Mr. Rossi determines to see TV for a moment.He opens TV, and TV is transferred to the channel that his wife of CHANNELX (state " i ") i.e. finally watches automatically.Before Mr. Rossi is sitting in TV, TV is broadcasting his not too interested content (observable thing (k)) now.Do not know to select which program and be disinclined to check programme, the suggestion (role) of Mr.'s Rossi inquiry system.
By pressing the red button on (such as) telepilot simply, the video camera be integrated in televisor takes another photo (pseudomorphism).System identification user and the information of preserving based on the past (such as, about the information of program of last night or viewing the previous day) propose just at the program of the important football game of real-time broadcast.
As an example, following parameter can form possible " realization-user " system (other parameter together with not listing for the reason simplified): genre, geographic position, event type etc.
Described parameter can take following value (together with here for other value that the reason simplified is not considered):
Genre: politics, physical culture, news etc.
Geographic position: Italian, German etc.
Event type: concert, earthquake etc.
Present supposition is in by state (t0) in initial time t0 " realization-user " system: in " state " state (t0) that politics, Italy, election etc. characterize.
In this original state, system is not also about the information of user preference.Commending system can recommend content of multimedia according to prior art based on predetermined scheme (cooperation or content-based system).
Sometime, his the second content of multimedia of selecting according to his hope of user's choice for use, this hope does not even belong to above-mentioned predetermined scheme.
After being realized by user, the situation that realizes is switched to state (t1) subsequently from original state state (t0), such as, and state (t1): politics, Germany, election etc.
In this stage, commending system detects the relation in two continuous print states and existence between state (t0) and state (t1) automatically.In fact, the characterisitic parameter of two states is upper different from the hurdle that the semantic bar of information associates i.e. " geographic position ".In other words, state state (t0) and state (t1) is engaged by clear and definite semantic relation, and this semantic relation is machine-readable and its availability depends on the formalization of interactive model specific ontology used.
When using content of multimedia, user is endowed thus and "jump" to another state and according to the possibility of various relations " set " these states provided by described ontology from a kind of state.
Here be several examples of relation:
State (t0) and state (t1) are similar,
State (t0) is caused by state (t1),
State (t0) is different from state (t1),
Etc.
Continue above example, user selects second content of multimedia of wishing selection according to it, and jumps to state (t1) from state (t0) thus.
At that point, user determines by relation state (t0) and the described state of state (t1) similar joint.
Commending system uses and the semantic information that content of multimedia associates and the semantic aggregate information relevant with different states; These semantic aggregate information can be provided as:
I () implication relation, that is, the characterisitic parameter of state, allow to identify which state user is in; With
(ii) definite relation, by user's oneself expression.
In the present example, user is transmitted in the relation semantically engaging two states implicitly to commending system, in this case, be " different geographic position ".
Described implication relation becomes the evolutionary model that commending system can provide " potential " state (t2).
State (t2): politics, Sweden, election etc.
Term used herein " potential " is considered a kind of so true, namely, for user, when selecting the content of state (t1), do not force must cause realizing in the upper failure of state (t2): other replacement schemes many are also possible.
The each realization proposed by user is selected to confirm that commending system provides the reliability of the recommendation about content of multimedia thus.
Continue this example, when in fact user determines to use the content associated with state state (t2), commending system will produce other potential state (t3):
State (t3): politics, Romania, election etc.
User has the possibility being engaged two (or more) content of multimedia by one or more of relation.
Usually, commending system is suitable for action by being implemented by user and obtains information about the relation be present between two or more states by the characterisitic parameter comparing two different conditions, and no matter whether implicit state is.
In other words, multimedia platform in reception, for selecting to receive (no matter being implicit or clear and definite) during the order of the second content of multimedia associated with each bar semantic information, about the information associated between the content of multimedia observed by user, gather relevant with semanteme by this association.
About the use of definite relation, assuming that user terminates initially to realize f0 (mentioning in above example), and, even after some time, start another f1 (this example is mentioned).
Assuming that user reenters in the state state (t1) identical with the state arrived in f0 in described f1, but the same state state (t0) started from f0 that may not come.
At that point, commending system is by adding other semantic aggregate information and state (t0) and the similar attribute candidates (politics, Italy, election etc.) recommending state state (t0) to user of state (t1).
By the formalization from the semanteme set between different content of multimedia and each bar semantic information of state relation, commending system can make the specific selection self being suitable for user, this state depending on realization in principle and any previous state run into along multimedia realizing route.
When increasing the complicacy of system, this allows to produce the semanteme set of the content of multimedia that can meet user's request better.
It should be noted that and use from " posteriority " of this set between the time sequencing logic liberation state of generation state self completely.
A large amount of examples also represents, one in major advantage of the present invention is, the method proposed can will participate in the interactive model of the user of the realization of the content of multimedia of certain group, further, user is endowed the content of multimedia adding other, the possibility simultaneously also associating specific role and this content.
The system and method proposed allows to keep trace information and investigating of describing that user implements in detail, and this user can enrich himself other content of given content of multimedia in abundant and complicated mode.By this way, because search and searching system can utilize the bulk information of model completely, possible information search and retrieval phase is therefore very advantageous in.In fact, search and searching system dynamically enrich its index about the role of the object association interconnected with user together with the composition information of the grouping provided by user self by use.Commending system based on this method can meet the requirement of user thus better.
The computer program that the method and system proposed is particularly suitable for by loading on computers and performing realizes.
Described computing machine preferably belongs to the network of computing machine, such as, is connected by the Internet, wherein, at least one in device, particularly user-accessible one is the equipment of PC, notebook computer, panel computer, smart phone, media center, televisor or other same functions.
It will be understood by those skilled in the art that the method for proposition can exist various change.Such as, ontology is described ad lib with reference to OWL language here; But, other language can be used, such as, such as, XML Schema.
Further, about participation the user of realization of content of multimedia or the information of the behavior of user corporations can be effectively recorded on various technology platform, share and re-use.
Further, method can be integrated in the different device of such as interactive TV, mobile phone, panel computer, PC simultaneously.By this way, the behavior of the user of multiple device can be tracked, then, can use this information to new opplication.
Claims (10)
1. recommend the method for content of multimedia for passing through multimedia platform (101) for one kind, wherein, described multimedia platform (101) comprises the multiple content of multimedia observed by least one user interface (10), and the method comprises the following steps:
-described multimedia platform (101) receives at least one first order (204) to select at least one first content of multimedia (1) relevant at least one the first semantic informations from described at least one user interface (10);
-described multimedia platform (101) receives user identifier, the second order to select at least one second content of multimedia (2) relevant at least one the second semantic informations from described at least one user interface (10), and receive at least one information (11) relevant with the relevance between at least one second content of multimedia (2) described observed and at least one first content of multimedia (1) described further, described at least one information (11) is gathered relevant with semanteme;
-described multimedia platform (101) represents at least one first state of described user identifier, at least one first content of multimedia (1) described and at least one second content of multimedia (2) described and described relevance (11) by relatively processing between described Article 2 semantic information and described Article 1 semantic information (12);
-described multimedia platform based at least one first treatment state (12) described and based on and multiple states relevant with described multiple content of multimedia at least one other state relatively recommend at least one second state representing at least one the 3rd content of multimedia (3).
2. method according to claim 1, wherein, at least one second content of multimedia (2) described received from described at least one user interface (10) is the content directly produced by the acquisition device of described at least one user interface (10).
3. method according to claim 1 and 2, wherein, at least one second content of multimedia (2) described comprises image and audio frequency, is preferably video.
4. the method according to any one in claims 1 to 3, wherein, described at least one semantic aggregate information (11) is obtained from comparing to the text between described Article 1 semantic information and the text message relevant with described Article 2 semantic information.
5. the method according to any one in Claims 1 to 4, wherein, also to observe described in time between at least one first content of multimedia (1) and the temporal information relevant with the moment of the reception of at least one the second content of multimedia (2) described compare, obtain described at least one information (11) relevant with relevance.
6. the method according to any one in Claims 1 to 5, wherein, described first state is relevant to many information stored being suitable for the respective conditions representing described commending system with described second state.
7. one kind for recommending the system of content of multimedia, comprise: the first memory (201) storing multiple content of multimedia and multiple corresponding Article 1 semantic information, processor (203) and be suitable at least one user interface (204) reproducing at least one the first content of multimedia (1); be suitable for storing at least one second content of multimedia (2) selected by described user interface (204), at least one the second semantic informations and user identifier and be further adapted at least one second memory (202) storing at least one information (11) relevant with the relevance between at least one second content of multimedia (2) described observed and at least one first content of multimedia (1) described, described information be received by described user interface (204) and relevant with semanteme set, wherein, process at least one first information state in order at least more described Article 2 semantic information and described Article 1 semantic information, described processor (203) is suitable for process and at least one user identifier described, at least one first content of multimedia (1) described and at least one second content of multimedia (2) described, and the information that described at least one information (11) relevant with relevance is relevant, and wherein, described second memory (202) is suitable for storing at least one first information state described, and wherein, in order to detailed description represents at least one second information state of at least one the 3rd content of multimedia (3) in described first memory (201), described processor (203) is further adapted for process and at least one first information state described and the information relevant with described multiple content of multimedia, wherein, described processor is suitable for and at least one other state in multiple states relevant with described multiple content of multimedia compares.
8. system according to claim 7, wherein, described system is suitable for realizing the method according to any one in claim 1 ~ 6.
9. one kind comprises the computer program of the instruction realizing the method according to any one in claim 1 ~ 6 when performing on computers.
10. computer program according to claim 9, wherein, described routine package is containing the instruction by using Web Ontology Language compiling according to Resource Description Framework standard.
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| ITTO20120867A1 (en) | 2014-04-06 |
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